Woman offers flowers to riot police

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Protester offers flowers to police

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Protest and resistance

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Prohibition protest march

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Protesters in clown costumes confront police

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Protesters in Smoke

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Martin Luther King Jr. speaking at rally

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Soldiers at military parade

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Protest at the Berlin Wall

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Woman in Green Jacket — Dramatic, Photograph

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Colonial-era Protest

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Greek funeral procession

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